#155466
Closest named color: Deep Teal (#00555A). oklch(41.6% 0.068 221.4), rgb(21, 84, 102).
Aa
White text reads best on this color (8.42:1).
About this color
#155466 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.068 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.024 away. White text reads best on it, at 8.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #155466 |
| RGB | rgb(21, 84, 102) |
| HSL | hsl(193, 66%, 24%) |
| OKLCH | oklch(41.6% 0.068 221.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #155466 | 8.42:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #155466 | 2.49:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #155466 text on white | 8.42:1 | AAA | Lc 88.7 | Fine for body text |
| #155466 text on black | 2.49:1 | Fails | Lc -13.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A6C7D3
oklch(80.9% 0.039 221.9)
-
Step 400
400
#73AABD
oklch(70.7% 0.064 221.6)
-
Step 500
500
#4B95AC
oklch(63.1% 0.081 220.7)
-
Step 600
600
#297F98
oklch(55.7% 0.088 221.3)
-
Step 700
700
#1A6B82
oklch(49.2% 0.082 221.7)
-
Step 800
800 (this color)
#155466
oklch(41.6% 0.068 221.4)
-
Step 900
900
#1C4855
oklch(37.7% 0.053 220.3)
-
Step 950
950
#122A32
oklch(26.9% 0.033 222)
#155466 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #495267 | 0.055 |
| Deuteranopia (no green cones) | #3E4A66 | 0.048 |
| Tritanopia (no blue cones) | #005A5A | 0.033 |
| Achromatopsia (no color) | #4D4D4D | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155466
#155466
oklch(41.6% 0.068 221.4)
- #6B3F2E
#6B3F2E
oklch(41.6% 0.068 41.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #155466, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.024
- Petrol #005F6A ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.044
- Dark Teal #014D4E ΔE 0.045
- Charcoal #264653 ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.048
- Dark Blue Green #005249 ΔE 0.051
Use #155466 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.